The objective of this tutorial is to provide the reader with an easy to follow way of switching between alternative Python versions on Ubuntu 20.04 Focal Fossa Desktop/Server.

In this tutorial you will learn:
  • How to check installed Python versions
  • How to switch between alternative Python versions

VLC is a free and open-source multimedia player. It supports wide rang of multimedia formats such as MKV, MP4, MPEG, MPEG-2, MPEG-4, DivX, MOV, WMV, QuickTime, WebM, FLAC, MP3, Ogg/Vorbis files, BluRays, DVDs, VCDs, podcasts, and multimedia streams from various network sources.

In this tutorial you will learn how to install VLC on Ubuntu 20.04 Focal Fossa Desktop.

In this tutorial you will learn:
  • How to install VLC
  • How to install the latest VLC from PPA repository
  • How to install VLC via GNOME graphical user interface
  • How to install extra plugins

The objective of this article is to provide the user with an information how to restart NGINX on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to gracefully reload NGINX on Ubuntu
  • How to restart NGINX on Ubuntu

In this article you will learn how to list and change state for systemd services and unit files on Ubuntu 20.04 Focal Fossa Linux Server/Desktop.

In this tutorial you will learn:
  • How to list services and unit files
  • How to list running/exited/dead services
  • How to list enabled/disabled services

For any new freshly Ubuntu 20.04 downloaded and installed systems the Ubuntu's snap store should be part of the system by default. However, for any upgraded Ubuntu 20.04 system you might need to install the Snap Store manually.



In this tutorial you will learn:
  • How to install Snap Store
  • How to start Snap Store

In the following article you will learn how to start GUI (graphical user interface) from command line on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to start GUI from command line
  • How to enable GUI to start on boot automatically

The objective of this tutorial is to provide the reader with information on how to list installed packages on Ubuntu 20.04 Focal Fossa Linux Desktop and Server.

In this tutorial you will learn:
  • How to retrieve the list of installed packages using GUI
  • How to retrieve the list of installed packages using the command line

In this short article you will learn how to set a default Web browser on Ubuntu 20.04 Focal Fossa Desktop.

In this tutorial you will learn:
  • How to set default Web Browser

In this tutorial you will learn how to install VirtualBox Extension Pack on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to install VirtualBox Extension Pack
  • How to confirm VirtualBox Extension Pack installation
  • How to check VirtualBox Extension Pack version

In this tutorial you will learn how to install Eclipse IDE for Java developers on Ubuntu 20.04 Focal Fossa Linux desktop.

In this tutorial you will learn:
  • How to install Eclipse
  • How to install Java prerequisites
  • How to launch Eclipse

In this tutorial we will perform the Ubuntu 20.04 server installation. The Ubuntu 20.04 Focal Fossa LTS is a long term support release which guarantees updates for up to 10 years since its initial release. In terms of the actual Ubuntu 20.04 server this means security updates until 2032. This article will guide you through the minimal Ubuntu 20.04 server installation.

In this tutorial you will learn:
  • How to download Ubuntu 20.04 server ISO image
  • How to create bootable installation media
  • How to boot to Ubuntu 20.04 Server installation wizard
  • How to install minimal Ubuntu 20.04 server

In this tutorial you will learn how to start service on boot on Ubuntu 20.04 Focal Fossa. Ubuntu uses systemd service manager to manage services which means to enable and disable services is an easy and straightforward task.

In this tutorial you will learn:
  • How to check service enabled/disabled/ state
  • How to enable service to start on boot
  • How to disable service to start on boot

In the following tutorial you will learn how to install Nginx web server on Ubuntu 20.04 Focal Fossa with simple to follow steps.

In this tutorial you will learn:
  • How to install Nginx
  • How to configure firewall to allow for Nginx incoming traffic
  • How to manage Nginx server

The objective of this tutorial is to install Arduino IDE on Ubuntu 20.04 Focal Fossa Desktop.

In this tutorial you will learn:
  • How to install Arduino
  • How to launch Arduino

The objective of this tutorial is to change system's language from a command line on Ubuntu 20.04 Focal Fossa Server.

In this tutorial you will learn:
  • How to check system language settings
  • How to set new system language from command line

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